mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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247 lines
8.6 KiB
C
247 lines
8.6 KiB
C
/*
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* Copyright (C) 2017 Collabora Inc.
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstv4l2h264codec.h"
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#include <gst/gst.h>
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#include "ext/v4l2-controls.h"
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static gint
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v4l2_profile_from_string (const gchar * profile)
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{
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gint v4l2_profile = -1;
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if (g_str_equal (profile, "baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE;
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} else if (g_str_equal (profile, "constrained-baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE;
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} else if (g_str_equal (profile, "main")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN;
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} else if (g_str_equal (profile, "extended")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED;
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} else if (g_str_equal (profile, "high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH;
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} else if (g_str_equal (profile, "high-10")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10;
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} else if (g_str_equal (profile, "high-4:2:2")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422;
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} else if (g_str_equal (profile, "high-4:4:4")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE;
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} else if (g_str_equal (profile, "high-10-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA;
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} else if (g_str_equal (profile, "high-4:2:2-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA;
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} else if (g_str_equal (profile, "high-4:4:4-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA;
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} else if (g_str_equal (profile, "cavlc-4:4:4-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA;
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} else if (g_str_equal (profile, "scalable-baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE;
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} else if (g_str_equal (profile, "scalable-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH;
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} else if (g_str_equal (profile, "scalable-high-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA;
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} else if (g_str_equal (profile, "stereo-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH;
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} else if (g_str_equal (profile, "multiview-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH;
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} else if (g_str_equal (profile, "constrained-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH;
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} else {
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GST_WARNING ("Unsupported profile string '%s'", profile);
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}
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return v4l2_profile;
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}
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static const gchar *
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v4l2_profile_to_string (gint v4l2_profile)
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{
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switch (v4l2_profile) {
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case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
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return "baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
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return "constrained-baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
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return "main";
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case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
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return "extended";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
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return "high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10:
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return "high-10";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422:
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return "high-4:2:2";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE:
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return "high-4:4:4";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA:
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return "high-10-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA:
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return "high-4:2:2-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA:
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return "high-4:4:4-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA:
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return "cavlc-4:4:4-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE:
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return "scalable-baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH:
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return "scalable-high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA:
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return "scalable-high-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH:
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return "stereo-high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH:
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return "multiview-high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH:
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return "constrained-high";
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default:
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GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);
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break;
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}
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return NULL;
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}
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static gint
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v4l2_level_from_string (const gchar * level)
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{
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gint v4l2_level = -1;
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if (g_str_equal (level, "1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_0;
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else if (g_str_equal (level, "1b"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1B;
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else if (g_str_equal (level, "1.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_1;
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else if (g_str_equal (level, "1.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_2;
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else if (g_str_equal (level, "1.3"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_3;
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else if (g_str_equal (level, "2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_0;
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else if (g_str_equal (level, "2.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_1;
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else if (g_str_equal (level, "2.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_2;
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else if (g_str_equal (level, "3"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_0;
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else if (g_str_equal (level, "3.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_1;
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else if (g_str_equal (level, "3.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_2;
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else if (g_str_equal (level, "4"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
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else if (g_str_equal (level, "4.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
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else if (g_str_equal (level, "4.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
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else if (g_str_equal (level, "5"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_0;
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else if (g_str_equal (level, "5.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
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else if (g_str_equal (level, "5.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_2;
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else if (g_str_equal (level, "6"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_6_0;
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else if (g_str_equal (level, "6.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_6_1;
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else if (g_str_equal (level, "6.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_6_2;
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else
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GST_WARNING ("Unsupported level '%s'", level);
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return v4l2_level;
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}
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static const gchar *
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v4l2_level_to_string (gint v4l2_level)
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{
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switch (v4l2_level) {
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
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return "1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
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return "1b";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
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return "1.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
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return "1.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
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return "1.3";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
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return "2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
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return "2.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
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return "2.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
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return "3";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
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return "3.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
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return "3.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
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return "4";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
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return "4.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
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return "4.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
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return "5";
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case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
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return "5.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_5_2:
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return "5.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_6_0:
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return "6";
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case V4L2_MPEG_VIDEO_H264_LEVEL_6_1:
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return "6.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_6_2:
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return "6.2";
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default:
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GST_WARNING ("Unsupported V4L2 level %i", v4l2_level);
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break;
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}
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return NULL;
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}
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const GstV4l2Codec *
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gst_v4l2_h264_get_codec (void)
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{
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static GstV4l2Codec *codec = NULL;
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if (g_once_init_enter (&codec)) {
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static GstV4l2Codec c;
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c.profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
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c.profile_to_string = v4l2_profile_to_string;
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c.profile_from_string = v4l2_profile_from_string;
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c.level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
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c.level_to_string = v4l2_level_to_string;
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c.level_from_string = v4l2_level_from_string;
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g_once_init_leave (&codec, &c);
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}
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return codec;
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}
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